A Study on Determination of Anatomical and Micromorphological Properties of Capsella bursa-pastoris (L.) Medik. (Brassicaceae) in Turkey

Yıl 2020, Cilt: 10 Sayı: 1, 27 - 35, 15.06.2020

Sibel Ulcay , Gülcan Şenel

https://doi.org/10.31466/kfbd.653641

Öz

In this study, we aimed to reveal the anatomical features of Capsella bursa-pastoris (L.) Medik., a medicinal plant. Samples of C. pastoris taxon were collected from Tokat and its environs in June 2018. The collected samples were placed in 70% alcohol and fixed. Transversal section sections were taken from the root, stem and petiole of the plant for anatomical research. Both transversal section and superficial sections were taken of the leaves by hand. There were 2-3 rows of periderm cells on the outermost part of the root transversal section section of the plant. In the stem transversal section, the collenchyma was in the form of a continuous ring of 7-8 rows, just below epidermis. Sclerenchyma forms an intervascular ring. The epidermis cells on the lower and upper surfaces of the leaf were single-row. The leaves were bifacial type. Palisade parenchyma cells were in 1-2 rows. The sponge parenchyma was 3-4 stratified The epidermal cell edges of the lower surface of the leaf of C. bursa-pastoris were wavier than the upper surface cell edges. Stomata were anisocytic. The vascular bundle in the petiole mid-vessel region of the taxon was large and 4-5 of them. The vascular bundles were surrounded by a sclerenchymatic scabbard. The petiole epidermis was monolayer and had cuticle on the surfaces. The fruit of the taxon was heart-shaped and had a striate pattern. Seed shape was elliptical, striate- undulate cell shaped, cell wall thickening was very pronounced. Ornamentations were reticulate. Wax was observed on the abaxial and adaxial surface of the leaf. Corolla surface showed very intense longitudinal cuticular folds. Sepal surface had plenty of sail-shaped papillae. As a result, the root, stem, leaf anatomical features, and fruit, seed, leaf sepal and petal micromorphological features of C. bursa-pastoris had been revealed in detail.

Anahtar Kelimeler

Capsella bursa-pastoris, Anatomy, Micromorphology, Medicinal plant

Capsella bursa-pastoris (L.) Medik'in (Brassicaceae) Anatomik ve Mikromorfolojik Özelliklerinin Belirlenmesi Üzerine Bir Çalışma

Öz

Bu çalışmada, tıbbi bir bitki olan Capsella bursa-pastoris (L.) Medik'in anatomik özelliklerini ortaya konulması amaçlanmıştır. C. bursa-pastoris taksonuna ait örnekler Haziran 2018 tarihinde Tokat ve çevresinden toplanmıştır. Toplanan örnekler % 70 alkol içerisine yerleştirilmiş ve sabitlenmiştir. Anatomik araştırma için bitkinin kök, gövde ve yaprak sapından (petiyol) kesitler alınmıştır. Yaprakların hem enine hem de yüzeysel kesitleri elle alınmıştır. Bitkinin kök enine kesitinin en dış kısmındaki peridermis hücreleri 2-3 sıradır. Gövde kesitinde, kollenkima epidermisin hemen altında, 7-8 sıradan oluşan sürekli bir halka biçimindedir. Sklerenkima, intervasküler bir halka oluşturmaktadır. Yaprağın alt ve üst yüzeylerindeki epidermis hücreleri tek sıra halindedir. Yapraklar bifasial tiptedir. Palizat parankima hücreleri 1-2 sıradır. Sünger parankiması 3-4 tabakalıdır. C. bursa-pastoris'in yaprağının alt yüzeydeki epidermal hücre kenarları, üst yüzey hücre kenarlarına göre daha dalgalıdır. Stomalar anizositiktir. Taksonun petiyol orta damar bölgesindeki vasküler demet büyük olup vasküler demet sayısı 4-5’dir. Vasküler demetler sklerenkimatik bir kınla çevrelenmiştir. Petiyol epidermisi tek tabakalı olup kütikula tabakası bulunmaktadır. Taksonun meyvesi kalp şeklinde olup striate (çizgili) desenlidir. Tohum şekli eliptik, çizgili şekilli, hücre şeklinde, hücre duvarı kalınlaşması çok belirgindir. Süslemeler retikülate (ağsı)’dir. Yaprak abaksiyal ve adaksiyial yüzeyinde vaks gözlenmiştir. Korolla yüzeyi çok yoğun boyuna kütikular kıvrımlar göstermektedir. Sepal yüzeyde bol miktarda yelken papilla bulunmaktadır. Sonuç olarak, C. pastoris’in kök, gövde, yaprak anatomik özellikleri ile meyve, tohum, yaprak, sepal ve petal mikromorfolojik özellikleri ayrıntılı olarak ortaya konulmuştur.

Anahtar Kelimeler

Capsella bursa-pastoris, Anatomi, Mikromorfoloji, Tıbbi bitki

Kaynakça

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